28 August 2018 MST - Night 4 - 4D alignment on DX: Vibration Mitigation, Flattening

Summary

Date: Wed, 29 Aug 2018 07:22:39 -0700
From: Doug Miller 
To: Telescope Work 

DX AdSec 4D calibration for the night is now complete.

Both AdSecs are Rested and the HBS is off.  The 4D laser
is still on, so if there is working going on the DX side of
the telescope, the laser should be turned off in the LRTH
via the laser key.

We were able to flatten the DX AdSec with 640 modes down to 32 nm RMS.
This flat is as good as we can get it and has been set as the default shape.  This
will be more than adequate for Seeing limited operation.

We also collected more Influence Function Data and more vibration data.

It is interesting that during the first half of the night there was a strong vibration
peak at 12.7 Hz.  It has enough power that any IF data would not have been
useable.  However, after about 3 am local time the 12.7 Hz completely disappeared
and we were able to collect IF data.  We should know tonight if these data
are good enough to build a new Basis Set for the repaired DX AdSec.

Thanks to Steve and Josh for shutting off a could systems to try to get rid of
vibrations.  In the end, the large vibrations when away “magically”.

We will continue with 4D calibration again tonight.

Doug

Date: Wed, 29 Aug 2018 07:29:24 -0700
From: Doug Miller 
To: AO group

We were able to flatten the DX AdSec with 640 modes down to 30 nm RMS.
This flat is as good as we can get it and has been set as the default shape.  This
will be more than adequate for Seeing limited operation. (see image below)

We also collected Influence Function Data and more vibration data.

It is interesting that during the first half of the night there was a strong vibration
peak at 12.7 Hz.  It had enough power that any IF data would not have been
useable.  However, after about 3 am local time the 12.7 Hz completely disappeared
and we were able to collect IF data.  We should know tonight if these data
are good enough to build a new Basis Set for the repaired DX AdSec.
Note, the 12.7 Hz peak returned but with only a little power by the end of IF
data collection.  It is not clear if this will cause the IF data collected to be useable.

Goals

led-green Vibration Mitigation

05:21 Collect data set with 30 samples (shorter analysis time, 1000 frames later)
  • >>> comm4d.capture(300, '20180829_052100_noise)
  • >>> comm4d.produce('20180829_052100_noise')
  • IDL> asma_opt_noise_new, '20180829_052100_noise'
  • Steve says both Summer and Winter Chiller were off

05:30 Steve and Josh turn off all fans in all tree houses.
  • data set 20180829_055400_noise
  • Steve says Summer Chiller was probably on (he turned it on soon after turning off TR fans)

06:21 Collect 1000 frame set
  • 20180829_062100_noise
  • All TH fans off
  • Summer Chiller on

06:29 Collect 300 frames to check spectrum
  • 20180829_062900_noise
  • All TH fans off
  • Summer Chiller on
  • OVMS at 06:33:
    OVMS_1.jpg

07:55 Vibration looks better
  • 300 20180829_125500_noise
  • 1000 20180829_125600_noise

10:00 Steve turn off LN
  • 300 20180829_101200_noise
    • processed. low noise
  • 1000 20180829_103400_noise

led-green Collect IF data

Mode Amplitude Samples Tracking Number
0-4 500nm 125 20180829_103941
0-4 1000nm 125 20180829_104148
5-9 350 nm 125 20180829_104504
5-9 7000 nm 125 20180829_104627
5-9 700 nm 125 20180829_104749
10-19 250nm 51 20180829_104918
10-19 500nm 51 20180829_105025
20180829_105100_noise
20-37 300 35 20180829_105025
20-37 150 35 20180829_105335
38-55 300 35 20180829_105453
38-55 150 35 20180829_105603
56-73 250 35 20180829_105726
56-73 150 35 20180829_105826
20180829_105900_noise
74-91 150 35 20180829_110043
92-109 100 35 20180829_110200
110-127 100 35 20180829_110311
128-145 80 35 20180829_110441
146-163 80 35 20180829_110557
164-181 80 35 20180829_110708
182-199 80 35 20180829_110827
20180829_110900_noise
200-217 70 35 20180829_111038
218-235 50 35 20180829_111202
236-253 50 35 20180829_111323
254-271 50 35 20180829_111437
272-289 50 35 20180829_111547
290-307 40 35 20180829_111707
308-325 40 35 20180829_111815
20180829_110900_noise
326-343 40 35 20180829_112021
344-361 40 35 20180829_112142
362-370 40 35 20180829_112301
371-379 40 35 20180829_112414
380-397 40 35 20180829_112531
398-415 40 35 20180829_112644
416-433 40 35 20180829_112750
20180829_112800_noise
434-451 40 35 20180829_112945
452-469 40 35 20180829_113054
470-487 40 35 20180829_113211
488-505 40 35 20180829_113327
506-523 40 35 20180829_113442
524-541 40 35 20180829_113610
20180829_113700_noise
542-559 40 35 20180829_113813
560-577 40 35 20180829_113924
578-595 40 35 20180829_114030
596-613 40 35 20180829_114141
614-631 40 35 20180829_114256
632-649 40 35 20180829_114411
20180829_114500_noise

Mode Amplitude Samples Tracking Number
0-4 500nm 125 20180829_114800 OK
0-4 1000nm 125 20180829_114914 --
5-9 350 nm 125 20180829_115023 OK
5-9 700 nm 125 20180829_115137 --
10-19 250nm 51 20180829_115247 OK
10-19 500nm 51 20180829_115352 ---
20180829_115400_noise
20-37 300 35 20180829_115625 Bad, start with mode
20-37 150 35 20180829_115744 3
38-55 300 35 20180829_115859 --
38-55 150 35 20180829_120012 OK
56-73 250 35 20180829_120123 --
56-73 150 35 20180829_120227 OK
20180829_120300_noise
74-91 150 35 20180829_120434 OK
92-109 100 35 20180829_120540 OK
110-127 100 35 20180829_120647 OK
128-145 80 35 20180829_120805 OK
146-163 80 35 20180829_120913 OK
164-181 80 35 20180829_121022 OK
182-199 80 35 20180829_121135 OK
20180829_121200_noise
200-217 70 35 20180829_121411 4
218-235 50 35 20180829_121530 OK
236-253 50 35 20180829_121641 OK
254-271 50 35 20180829_121803 OK
272-289 50 35 20180829_121911 OK
272-289 50 35 20180829_122024 OK
290-307 40 35 20180829_122146 OK
308-325 40 35 20180829_122259 OK
20180829_122400_noise
326-343 40 35 20180829_122447 OK
344-361 40 35 20180829_122556 OK
362-370 40 35 20180829_122717 OK
371-379 40 35 20180829_122815 OK
380-397 40 35 20180829_122901 OK
398-415 40 35 20180829_123011 OK
416-433 40 35 20180829_123119 OK
20180829_123200_noise
434-451 40 35 20180829_123315 OK
452-469 40 35 20180829_123422 OK wrong mask
470-487 40 35 20180829_123534 OK wrong mask
488-505 40 35 20180829_123638 OK wrong mask
506-523 40 35 20180829_123743 OK wrong mask
524-541 40 35 20180829_123855 OK wrong mask
20180829_123900_noise
542-559 40 35 20180829_124036 OK wrong mask
560-577 40 35 20180829_124151 OK wrong mask
578-595 40 35 20180829_124255 OK wrong mask
596-613 40 35 20180829_124359 OK wrong mask
614-631 40 35 20180829_124500 OK wrong mask
632-649 40 35 20180829_124607 OK wrong mask
20180829_124700_noise

TN1 = ['20180829_103400_noise','20180829_105100_noise','20180829_105900_noise','20180829_114800','20180829_114914','20180829_115023','20180829_115137','20180829_115247','20180829_115352','20180829_115625','20180829_115744','20180829_115859','20180829_120012','20180829_120123','20180829_103941','20180829_104148','20180829_104504','20180829_104627','20180829_104749','20180829_104918','20180829_105025','20180829_105025','20180829_105335','20180829_105453','20180829_105603','20180829_105726']

TN2 = ['20180829_110900_noise','20180829_111900_noise','20180829_112800_noise','20180829_120227','20180829_120434','20180829_120540','20180829_120647','20180829_120805','20180829_120913','20180829_121022','20180829_121135','20180829_121411','20180829_121530','20180829_121641','20180829_121803','20180829_105826','20180829_110043','20180829_110200','20180829_110311','20180829_110441','20180829_110557','20180829_110708','20180829_110827','20180829_111038','20180829_111202','20180829_111323','20180829_111437']

TN3 = ['20180829_113700_noise','20180829_114500_noise','20180829_115400_noise','20180829_124700_noise','20180829_121911','20180829_122024','20180829_122146','20180829_122259','20180829_122447','20180829_122556','20180829_122717','20180829_122815','20180829_122901','20180829_123011','20180829_123119','20180829_123315','20180829_111547','20180829_111707','20180829_111815','20180829_112021','20180829_112142','20180829_112301','20180829_112414','20180829_112531','20180829_112644','20180829_112750','20180829_112945','20180829_113054']

TN4 = ['20180829_120300_noise','20180829_121200_noise','20180829_122400_noise','20180829_123200_noise','20180829_123900_noise','20180829_123422','20180829_123534','20180829_123638','20180829_123743','20180829_123855','20180829_124036','20180829_124151','20180829_124255','20180829_124359','20180829_124500','20180829_124607','20180829_113211','20180829_113327','20180829_113442','20180829_113610','20180829_113813','20180829_113924','20180829_114030','20180829_114141','20180829_114256','20180829_114411']

TN5=['20180829_114800','20180829_115023','20180829_115247','20180829_115744','20180829_120012','20180829_120227','20180829_120434','20180829_120540','20180829_120647','20180829_120805','20180829_120913','20180829_121022','20180829_121135','20180829_121411','20180829_121530','20180829_121641','20180829_121803','20180829_121911','20180829_122024','20180829_122146']

TN6=['20180829_122259','20180829_122447','20180829_122556','20180829_122717','20180829_122815','20180829_122901','20180829_123011','20180829_123119','20180829_123315','20180829_123422','20180829_123534','20180829_123638','20180829_123743','20180829_123855','20180829_124036','20180829_124151','20180829_124255','20180829_124359','20180829_124500','20180829_124607']


TN7=['20180829_121411','20180829_121530','20180829_121641','20180829_121803','20180829_121911','20180829_122024','20180829_122146','20180829_124500','20180829_124607']

TN8=['20180829_123422','20180829_123534','20180829_123638','20180829_123743','20180829_123855','20180829_124036','20180829_124151','20180829_124255','20180829_124359']

TN9=['20180829_123422','20180829_123534','20180829_123638','20180829_123743','20180829_123855','20180829_105025','20180829_105335']

TN10=['20180829_124036','20180829_124151','20180829_124255','20180829_124359','20180829_124500','20180829_124607','20180829_111038']

TN11=['20180829_105025','20180829_105335','20180829_111038']

led-green Process 640 mode Reconstructor measure on 20180828

08:00
  • IDL> print, if_redux(/MODAL, '20180828_123635')
  • IDL> print, if_redux(/MODAL, '20180828_123842')
  • IDL> print, if_redux(/MODAL, '20180828_124023')
  • IDL> print, if_redux(/MODAL, '20180828_124154')
  • IDL> print, build_int_mat(['20180828_123635','20180828_123842','20180828_124023','20180828_124154'])
  • AdOpt>print, opt_int_mat_reduce2(640, track='20180828_123635')
  • /local/aomeas/adsec_calib/flat/20180829_081918/flattening_result.sav
  • 32 nm RMS
  • Tried again, but higher forces

08:35
  • SetFlatAO with old default.sav
  • Apply 400 mode recon
  • Apply 640 mode recon
  • /local/aomeas/adsec_calib/flat/20180829_083434/flattening_result.sav
    • Set 20180829_083434/flattening_result.sav as default.sav
  • 30 nm RMS
  • Flat with 640 Modes:
    flat_640modes_1.jpg
  • Flat with 640 Modes:
    flat_640modes_2.jpg
  • Flat with 640 Modes:
    flat640_final.jpg

-- %USERSIG{DougMiller - 2018-08-29}%
I Attachment Action Size Date Who Comment
OVMS_1.jpgjpg OVMS_1.jpg manage 540 K 31 Aug 2018 - 10:15 DougMiller OVMS at 06:33
flat640_final.jpgjpg flat640_final.jpg manage 180 K 30 Aug 2018 - 10:52 DougMiller Flat with 640 Modes
flat_640modes_1.jpgjpg flat_640modes_1.jpg manage 165 K 30 Aug 2018 - 10:52 DougMiller Flat with 640 Modes
flat_640modes_2.jpgjpg flat_640modes_2.jpg manage 173 K 30 Aug 2018 - 10:52 DougMiller Flat with 640 Modes
Topic revision: r11 - 12 Oct 2018, JohnHill
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